Little Shop Of Horrors (1986)

Directed by Frank Oz, this one starred Rick Moranis as Seymour, Ellen Green as Audrey and the voice of Levi Stubbs as the Man-Eating plant known as Audrey II.

Seymour is a geek who works for a flower shop and is in love with Audrey. One day he finds a mysterious plant which after a time begins to get bigger and bigger. Finally it starts talking and when it does all hell breaks loose! FEED ME Seymour!" shouts the plant and feed it Seymour does.